I was right and wrong 50/50 :
https://science.howstuffworks.com/en...uestion473.htm
Nice reading... take a look.
Ocean rise could be more than 68 meters, but it would require melt antartic ice (repreents 90% of world ice), all of it, and that's quite impossible to global warmring each such point.
So, it could be as high as they show in A.I Artificial Intelligence, but if temperature was changed up to melt everthing, Earth would be a steam room.